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An Efficient Compression Method
for Sign Information of DCT Coefficients via Sign Retrieval
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Written by : Chihiro Tsutake
Affiliation : Nagoya University
E-mail : ctsutake "at" nagoya-u.jp
Created : Dec 2020
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Contents
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sr.py : Main algorithm file
0***.png : Original image
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Usage
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1) Change skimage.io.imread('0***.png') in main function.
2) Running `python3 sr.py' generates the following images.
-- rec.png (reconstructed image by using our Fienup algorithm)
-- rnd.png (reconstructed image by using randomized sign)
-- jpg.png (JPEG)
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Feedback
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If you have any questions, please contact me.